WordPress diagnostics plugins

Performance plugin from the WordPress Performance Team, which is a collection of standalone performance features.

Diagnostic summary of WordPress setup including themes, plugins, system config, and site stats -- formatted for support forum posting.

This plugin integrates your WordPress site with Sentry error logging system.

Print Basic Facts will display valuable, time saving, information for a WordPress site. Optimize your troubleshooting efforts with this lightweight ap …

Lightweight 404 logger for tracking broken links and bot activity.

A plugin that sends error messages to the Sentry error logging system.

Plugin that extracts data on WP installation, installed themes, installed plugins and server info for diagnostic purposes. Export data in csv and json

RHJ4 Diagnostics supports program debugging by making it simple to write tracing information into several log files.

Generate many different types of popup notifications to users from PHP or jQuery with only a single line of code.

A diagnostic tool that helps plugin developers provide better support by collecting relevant system information and managing debug constants.

Scan your WordPress multisite network to identify which plugins are actively used across sites. Helps admins safely clean up unused plugins.

Easily generate and share detailed WordPress site reports with Site Status Reporter, including plugins, themes, PHP, server info, and more—fully custo …

Diagnose and fix WooCommerce subscription issues with a 3-step troubleshooting tool. Detects skipped payments, failed renewals, and payment problems.